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JE Pistons

The origins of what we know today as JE Pistons can be traced back to 1912 and the Los Angeles foundry of William Jahns Sr. and his company W.H. Jahns. Employing the tagline, “Nothing but Pistons,” the W.H. Jahns company produced pistons and semi-finished pistons until 1948, when Jahns Sr. retired. Meanwhile, Jahns’ son, William “Uncle Bill” Jahns Jr., started and had been working on his company Jahns’ Racing Pistons since 1947. Shortly after, the business became Jahns’ Engineering Pistons, and was finally shortened to JE Pistons.

Through the following years, JE Pistons’ technology evolved, from mastering casting technology in the 60s to researching and implementing forging technology in the 70s. Numerical Controlled (NC) machines were introduced to manufacturing in the early 80s, which was quickly improved to the use of Computer Numerical Controlled (CNC) machines and a proprietary piston design and machining program in the mid-80s.

JE Pistons has continued to evolve their manufacturing processes, currently offering racing pistons either off the shelf or fully custom. JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE’s 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

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JE Pistons COYOTE 5.0 MODULAR 11:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 11:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 11:1 Set of 8 Pistons

$989.99
JEP314419
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons

$989.99
JEP314418
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons

$989.99
JEP314417
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons

$971.99
JEP314416
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 9.5:1 Set of 8 Pistons

$989.99
JEP314415
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons

$989.99
JEP314414
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons

$989.99
JEP314413
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons

$989.99
JEP314412
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons Quick View
JE Pistons

JE Pistons COYOTE 5.0 MODULAR 8.5:1 Set of 8 Pistons

$971.99
JEP314411
Engine Components JE Pistons Piston Sets - Forged - 8cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons SUBEJ22 TRB91-94 KIT Set of 4 Pistons JE Pistons SUBEJ22 TRB91-94 KIT Set of 4 Pistons Quick View
JE Pistons

JE Pistons SUBEJ22 TRB91-94 KIT Set of 4 Pistons

$899.99
JEP314352
Engine Components JE Pistons Piston Sets - Forged - 4cyl
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons...
JE Pistons SUBEJ22 TRB91-94 KIT - Single Piston - Right Side JE Pistons SUBEJ22 TRB91-94 KIT - Single Piston - Right Side Quick View
JE Pistons

JE Pistons SUBEJ22 TRB91-94 KIT - Single Piston - Right Side

$299.99
JEP314351R
Engine Components JE Pistons Pistons - Forged - Single
Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to...
JE Pistons SUBEJ22 TRB91-94 KIT - Single Piston - Left Side JE Pistons SUBEJ22 TRB91-94 KIT - Single Piston - Left Side Quick View
JE Pistons

JE Pistons SUBEJ22 TRB91-94 KIT - Single Piston - Left Side

$299.99
JEP314351L
Engine Components JE Pistons Pistons - Forged - Single
Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to...
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